diff --git a/strategies/triple-rsi-drop/README.md b/strategies/triple-rsi-drop/README.md
index 5e54759..1d0f915 100644
--- a/strategies/triple-rsi-drop/README.md
+++ b/strategies/triple-rsi-drop/README.md
@@ -4,6 +4,8 @@ This strategy was inspired by the following:
 
 [![Triple RSI Drop Rules](https://static.moshington.com/images/strategies/triple-rsi-drop/strategy-rules.png)](https://x.com/QuantifiedStrat/status/1702712880334786783)
 
+It is similar to the [R3 strategy](https://moshferatu.dev/moshferatu/ninjatrader/src/branch/main/strategies/r3) from [*High Probability ETF Trading*](https://moshferatu.dev/moshferatu/high-probability-etf-trading) (2009) by Larry Connors.
+
 ## Rules
 
 1. The asset (e.g., SPY) must be above its 200-day moving average.